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Finding the Fourth Proportional to 324,572.27, 486,132.44 and 187,627.59

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Solution

The fourth proportional to 324,572.27, 486,132.44 and 187,627.59 is: 281,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,572.27 : 486,132.44 = 187,627.59 : x
  2. Step 2: Convert to fraction form
    324,572.27/486,132.44 = 187,627.59/x
  3. Step 3: Cross multiply
    324,572.27x = 486,132.44 × 187,627.59
  4. Step 4: Simplify right side
    324,572.27x = 91,211,857,199.88
  5. Step 5: Solve for x
    x = 91,211,857,199.88/324,572.27
  6. Step 6: Final answer
    x = 281,021.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.